package com.ruoyi.system.service.report.Impl;

import com.ruoyi.common.constant.Constants;
import com.ruoyi.common.constant.UserConstants;
import com.ruoyi.common.core.domain.entity.SysRole;
import com.ruoyi.common.core.redis.RedisCache;
import com.ruoyi.common.exception.user.CaptchaException;
import com.ruoyi.common.exception.user.CaptchaExpireException;
import com.ruoyi.common.utils.SecurityUtils;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.system.domain.SysUserRole;
import com.ruoyi.system.domain.report.vo.StudentRegisterBody;
import com.ruoyi.system.mapper.SysRoleMapper;
import com.ruoyi.system.mapper.SysUserRoleMapper;
import com.ruoyi.system.mapper.report.StudentRegisterMapper;
import com.ruoyi.system.service.ISysUserService;
import com.ruoyi.system.service.report.IStudentRegisterService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.ArrayList;

@Service
public class IStudentRegisterServiceImpl implements IStudentRegisterService {



    @Autowired
    private RedisCache redisCache;

    @Autowired
    private StudentRegisterMapper studentRegisterMapper;

    @Autowired
    private ISysUserService userService;

    @Autowired
    private SysUserRoleMapper sysUserRoleMapper;

    @Autowired
    private SysRoleMapper sysRoleMapper;


    @Override
    public String register(StudentRegisterBody studentRegisterBody) {
        String msg = "", username = studentRegisterBody.getUserName(), password = studentRegisterBody.getPassword(),
                dept = studentRegisterBody.getDeptId(),
                nickName = studentRegisterBody.getNickName();
        if(StringUtils.isEmpty(nickName)){
            msg = "用户昵称不能为空";
        } else if (StringUtils.isEmpty(username)) {
            msg = "用户名不能为空";
        } else if (StringUtils.isEmpty(password)) {
            msg = "用户密码不能为空";
        } else if (username.length() < UserConstants.USERNAME_MIN_LENGTH
                || username.length() > UserConstants.USERNAME_MAX_LENGTH) {
            msg = "账户长度必须在2到20个字符之间";
        } else if (StringUtils.isEmpty(dept)){
            msg = "必须选择班级";
        }else if (password.length() < UserConstants.PASSWORD_MIN_LENGTH
                || password.length() > UserConstants.PASSWORD_MAX_LENGTH) {
            msg = "密码长度必须在5到20个字符之间";
        } else if (UserConstants.NOT_UNIQUE.equals(userService.checkUserNameUnique(username))) {
            msg = "保存用户'" + username + "'失败，注册账号已存在";
        }else {
            studentRegisterBody.setPassword(SecurityUtils.encryptPassword(studentRegisterBody.getPassword()));
            boolean reFlag = studentRegisterMapper.register(studentRegisterBody) > 0 ;
            if (!reFlag){
                msg = "注册失败,请联系系统管理人员";
            }else{
              ArrayList<SysUserRole> sysUserRoles = new ArrayList<>();
              Long userId = userService.selectUserByUserName(username).getUserId();
              Long roleId = sysRoleMapper.selectRoleByRoleName("学生").getRoleId();

              sysUserRoles.add(new SysUserRole(userId, roleId));
              sysUserRoleMapper.batchUserRole(sysUserRoles);
            }
        }

        return msg;
    }


    /**
     * 校验验证码
     *
     * @param username 用户名
     * @param code     验证码
     * @param uuid     唯一标识
     * @return 结果
     */
    public void validateCaptcha(String username, String code, String uuid) {
        String verifyKey = Constants.CAPTCHA_CODE_KEY + uuid;
        String captcha = redisCache.getCacheObject(verifyKey);
        redisCache.deleteObject(verifyKey);
        if (captcha == null) {
            throw new CaptchaExpireException();
        }
        if (!code.equalsIgnoreCase(captcha)) {
            throw new CaptchaException();
        }
    }
}
